[tex-live] Re: [Fontforge-devel] Re: UTF8 and (La)TeX backend?

George Williams gww at silcom.com
Wed Jan 5 00:19:28 CET 2005

On Tue, 2005-01-04 at 14:11, Han-Wen Nienhuys wrote:
> Hmm. I'd say it should contain all info from the TFM 
>   * metrics (these are entirely unrelated to the extents of the
>     outlines)
The advance widths have their natural place.
Height/Depth information:
   Per glyph Bounding box information is stored before every glyph in a
   tt file (more accurately than in a tfm file). These data are not
   stored in a cff file but are easily calculated from outlines.
>   * 30 spacing parameters
I'm not sure what you mean by this. Are these the font parameter words?
If so there may be 8 or 23 or 14... Oh, perhaps I see, if you don't
overload them then there are 30 of them.
>   * checksum
Why? It has no meaning in an sfnt. Sfnts have their own checksums.
>   * design size
As Rogier van Dalen points out this should be stored as a feature.

So I the only things I hear as being needed in a separate table are the
spacing parameters -- which I presume to be the font parameter words --
and possibly the checksum -- if someone can explain why this is

Any thoughts on a tag for the table? "TEX ", "TeX ", "TFM " ...

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